• Managed Active Directory, DNS, DHCP, group policy, Azure Active Directory, and M365/O365 licensing, implementing robust security measures using Azure Security Center and Network Security Groups.• Configured a hybrid deployment environment to maintain coexistence between the on-premise Exchange Server and Exchange Online, facilitating a smooth migration process with minimal disruption.• Managed the renewal of SSL certificates from GoDaddy, ensuring secure HTTPS connections from critical web services. Set up and administered an internal Windows Server-based CA, enabling secure management of internal digital certificates.• Deployed, configured and maintained Virtual Machines to support business applications, adjusted resource allocation to ensure optimal performance and efficient utilization of the virtual infrastructure.• Administer and manage Druva backup solution to ensure data protection across enterprise environments, including servers, VDI desktops.• Administered and managed Dell Isilon storage clusters, ensuring high availability, reliability, and performance. Configured storage pools and implemented data protection strategies including snapshots, backups, and disaster recovery plans NFS and SMB shares.• Automated administrative tasks using PowerShell scripting.• Provisioned and administered newly requested Windows and Linux servers for Enterprise and GIS application teams in VMware vSphere and Hyper-V.

• Conducted restore and rebuild operations of Domain Controllers and Exchange Servers to assistclients with Disaster Recovery and business continuity.• Oversee log collection from firewalls, ESXi, AWS, Azure, Windows, and Linux servers to assist with forensic investigation.• Analyzed incoming security events using SentinelOne (SIEM), on network, endpoint, firewall, and cloud resources.• Deploy 3+ software and forensic tools to client environment using PDQ Deploy by verifying contained network and accuracy of collected evidence to aid in company-wide security incident response.• Perform client restorations of critical business servers using Veeam, Rubrik, Commvault, Data Domain, and Avamar.• Collect forensic images for analysis using FTK-imager, dd linux utility, and manual and scripted triage using R-Explorer and Velociraptor from client environment for evidence preservation and quick investigation.• Supported clients in migration of resources from on-premises to AWS, and Azure cloud services.

• Monitored 20K devices as part of level two team of 6 responsible for enterprise backup and restoration (EBR) issues needing additional support, including backup failures of critical application servers, incident tickets, and new server backup requests• Created standard operating procedures (SOP), ad-hoc documentation, and playbook to ensure team trained on performing tasks• Administered ESXi hosts running on Dell PowerEdge R920 and R930 running ESXi 6.0, ESXi 6.5, and ESXi 6.7 to migrate machines from physical to virtual as part of recovery initiative• Applied vCenter server 6.7.0 upgrades and patches to 5 attached ESXi hosts using VUM for additional security while deploying updates to VDI using WSUS to up to 300 machines• Built 200 newly requested virtual machines, providing Windows Server 2012 and 2016 OS hardening for application testing, development, and production environments, collaborating with application teams to secure without affecting business application

● Configured AWS backups on EMC Networker 9.1 via EMC CloudBoost appliance to ensure compliance of business critical systems with person identifiable information (PII) for up to 300 employees● Deployed Avamar 7.5.1 VADP backup on 1K+ VMware vCenter 6.5 virtual machines as part of “go green” initiative while monitoring servers including replication, maintenance, and backup failures● Monitored Data Domain performance alerts and capacity reports, including failed garbage collection and full storage, to ensure company-wide compliance with government requirement to backup servers● Spearheaded quarterly server audit of images and system reports, proofs of backup, and configurations, providing evidence of SOX compliance to government auditor